code: def __str__(self):
      return f"L1(alpha={self.alpha})"
  
file_path: transfer-nlp/transfer_nlp/plugins/regularizers.py
imports: import torch
  from transfer_nlp.plugins.config import register_plugin
label_desc: Use image node_id 3 for calling the L1 obj's underlying member method code with example usage: obj.__str__() and returns: str, self, str